Kohala Lighthouse surfForecast / HAW – Big Island / USA

information circle16 Day Weather and Surf, issued 1 am Thursday 16 Apr 2026 HST
Forecast update in hr  min  s Forecast update imminent
Kohala Lighthouse surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kohala Lighthouse sea temperature is
25.4° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Kohala Lighthouse this week:

The surf forecast for Kohala Lighthouse over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Apr 20) at 8AM. The primary swell is predicted to be 0.4m and 14s period with a secondary swell of 0.7m and 7s. Another secondary swell of 0.9m and 5s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Kohala Lighthouse in the next 16 days are 1.1m 14s and forecast to arrive on Wednesday (Apr 22) at 8AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Thursday (Apr 23) at 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Mon 20th Apr)1.5ft (0.4m) 14s
Best Surf 5AM (Wed 22nd Apr)3.5ft (1.1m) 14s
Most Powerful 8AM (Wed 22nd Apr)3.5ft (1.1m) 14s

Table - best surf conditions forecast for Kohala Lighthouse over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 24°C on Thu morning, min 23°C on Thu morning). Mainly fresh winds.

Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Mon night. Warm (max 24°C on Sun morning, min 23°C on Sun night). Winds decreasing (fresh winds from the ENE on Sun afternoon, calm by Mon night).

Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
2
2
1
1
2
2
3
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1
E
1
E
1
E
1
ENE
1.3
ENE
1.3
ENE
1.6
ENE
1.6
E
1.5
E
1.5
E
1.6
E
1.2
E
1.2
E
1
E
0.8
E
0.5
W
0.8
NNE
0.9
NNE
1.1
NNE
1.1
NNE
1
NNE
Period(s) (?)774755666667777131014131312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)92923611766911611691411461961551561086988107301402373265
Wind
(km/h)
15
ENE
20
E
25
E
30
ENE
30
ENE
25
E
35
ENE
30
E
30
E
30
E
30
E
25
E
10
ESE
5
ESE
0
W
5
NW
0
NE
5
E
5
ENE
25
ENE
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
off
cross-
off
glassglassglasscrossglasscrosscross
High Tide
/ height (m)
2:58PM
0.85
2:26AM
0.60
3:38PM
0.90
2:56AM
0.54
4:22PM
0.93
3:25AM
0.48
5:10PM
0.92
3:52AM
0.42
6:06PM
0.89
4:14AM
0.37
7:12PM
0.84
8:29PM
0.80
Low Tide
/ height (m)
8:12AM
0.04
9:12PM
0.25
8:37AM
0.01
10:05PM
0.27
9:06AM
-0.01
11:03PM
0.30
9:38AM
-0.00
12:12AM
0.33
10:13AM
0.03
1:49AM
0.35
10:51AM
0.08
11:39AM
0.15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Sunrise6:03--6:03--6:01--6:01--6:01--6:00--5:58--
Sunset-6:42--6:42--6:42--6:43--6:43--6:43--6:44-
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
thunderstorm
clear
part cloud
clear
clear
clear
part cloud
Rain (mm)
--------------4------
Temp. °C242423242424242423242424242423242424242424
Feels °C (?)252421222223212221232122262626272727272423
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Kohala Lighthouse Surf forecast

The above surf forecast table for Kohala Lighthouse provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kohala Lighthouse can be found by selecting the local surf guide option on the grey menu. Our Kohala Lighthouse surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kohala Lighthouse) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Kohala Lighthouse may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Kohala Lighthouse is 87 km (54 miles) from Kihei. If you plan a vacation in Big Island, look for hotels and other accommodation in Kihei. Kihei has rooms for a wide range of budgets as well as car hire and transport links.

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